总成本函数（total cost function） 按经济学中的基本假定，产出量是可以无限分割的，当产出量的变化无限小时，总成本的变化也无限小。因此，边际成本可以定义为总成本函数的一阶导数
考虑到丢单成本这一因素，给出了相应的总成本函数，并对其进行了分析。
Accounting for the lost sale cost, the corresponding total cost function is given and analyzed.
将模拟结果代入相关的费用计算模型，并利用探试成本函数概念，估算不同切割位置分离序列的年总成本。
The simulation results were substituted in the cost models and annual total costs of separation sequences were estimated, taking account of heuristic cost function.
以年总成本最低为目标函数，利用有序搜索法递减确定不同组分混合物的最佳切割点。
Taking the minimum annual total cost as an objective function, the optimal separation positions of different mixture of methylchlorosilane were determined by the method of ordered search.
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